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Minolta SR-T 102

35mm SLR Discontinued match-needle CdS metering · fully mechanical · all-metal build · student SLR · mercury-cell meter · split-image focus

In 1973 the camera you were really choosing against was the Nikkormat FTn, and on paper they look like twins: heavy all-metal SLRs, cloth focal-plane shutters topping out near 1/1000, through-the-lens match-needle metering, no automation anywhere. Pick both up and the difference is in the finder. Nikon's reading was honest but blunt, a single center-weighted cell that you fed a film speed by twisting a collar around the mount. Minolta gave the SR-T 102 two CdS cells reading the top and bottom of the frame against each other, a scheme it called CLC, so a bright sky over a shaded subject got biased toward the part you cared about instead of pulling the whole exposure down. That two-cell reading was a smarter eye than most of what shared its price tag.

This was the top of the original SR-T family, sold as the SR-T Super in some markets and the SR-T 303 in Europe, so the badges wander but the body is the same. You focus on a central split-image wedge wrapped in a microprism collar, break a straight line or snap a texture clear, whichever the subject hands you. The 101 already let you match the needle in the finder; the shutter speed and the meter match-needles both showed in the frame on that camera, and you set exposure without looking down. What the 102 added was the little aperture direct-readout window up top, the one Minolta nicknamed the Judas window, so the last value you used to read off the lens barrel now sits in the frame too. Shutter scale along the bottom, needles in the right-hand gutter, aperture up top. Everything in one glance.

The build is the era talking. Dense all-metal, somewhere around 710 grams empty, with controls that move through that thick damped resistance early-seventies Japanese mechanicals all share. The advance lever has a short stiff throw ending in a hard stop, and the shutter underneath fires with a cloth-and-gear thunk rather than a crack, more weight than speed. Flash sync sits at 1/60, and the 102 carried a hot shoe on the prism so you could clip a flash on without trailing a sync cord, which the 101 could not do cleanly. Film loads the ordinary way, hinge the back, hook the leader, wind on.

Photo students bought these by the crate because the camera teaches exposure with nothing to hide behind, and the Rokkor glass on the SR bayonet is some of the most underrated optics of the period, sharp and cheap because Minolta's name never commanded Nikon money. Today the 102 is the sensible-money pick among mechanical SLRs. People cross-shop it against the Pentax Spotmatic and the Nikkormat and it usually costs a little less while giving up nothing in toughness and winning outright on finder information.

The honest weakness is the meter's diet. CLC was calibrated around a 1.35-volt mercury cell that has been banned for decades, so a modern 1.5-volt alkaline reads a touch hot and drifts as it drains. You can run a zinc-air hearing-aid cell, an MR-9 adapter, or pay for a recalibration during a CLA, and many of these arrive with crumbled foam seals that fog the frame edges too. The shutter is fully mechanical and fires fine on a dead battery, which is exactly why a handheld reading suits it. Take an incident or spot reading off Zone Light Meter, place your shadows on the zone you want, carry the speed and aperture to those needle-matched dials, and the aging cell drops to a glance instead of a worry.

How the app handles this body

  • Metering: Take an incident or spot reading in the app and place your shadows on a chosen zone, then dial that exposure in. On a body with no meter, or one whose cell has drifted with age, the app is the meter you trust.
  • Flash sync: Focal-plane shutter, so flash sync tops out around 1/60. Above that the app's exposure pairs still hold for available-light work.

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